#define _CRT_SECURE_NO_WARNINGS

#include<iostream>
#include<cstring>
using namespace std;

int main()
{
	int arr[] = { 1,2,3,4,5 };
	for (int i : arr)
		cout << i << " ";


	return 0;
}

int main1()
{
	char str[] = "hello world!";
	cout << str << endl;
	memset(str, 'x', 5);
	cout << str << endl;

	return 0;
}